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  • Title: Antimüllerian hormone as a predictor of good-quality supernumerary blastocyst cryopreservation among women with levels <1 ng/mL versus 1-4 ng/mL.
    Author: Kavoussi SK, Odenwald KC, Boehnlein LM, Summers-Colquitt RB, Pool TB, Swain JE, Jones JM, Lindstrom MJ, Lebovic DI.
    Journal: Fertil Steril; 2015 Sep; 104(3):633-6. PubMed ID: 26144573.
    Abstract:
    OBJECTIVE: To determine whether antimüllerian hormone (AMH) levels predict the availability of good-quality supernumerary blastocysts for cryopreservation. DESIGN: Retrospective study. SETTING: Two fertility centers. PATIENT(S): First fresh IVF cycles (n = 247) grouped as follows: 40 women <35 year old with AMH <1 ng/mL and 77 women with AMH 1-4 ng/mL; 62 women ≥35 year old with AMH <1 ng/mL, and 68 women with AMH 1-4 ng/mL. INTERVENTION(S): AMH level measured before IVF with ovarian stimulation protocols based on patient age and AMH level, including short gonadotropin-releasing hormone (GnRH) agonist, GnRH antagonist, or GnRH agonist microdose flare; supernumerary good-quality blastocysts cryopreserved on days 5 or 6 after retrieval. MAIN OUTCOME MEASURES(S): Supernumerary good-quality blastocysts for cryopreservation in relation to AMH levels. RESULT(S): Among women <35 years of age, there was a statistically significant difference in the number of patients with supernumerary good-quality blastocysts for cryopreservation between the groups with AMH <1 ng/mL and AMH 1-4 ng/mL (30.0% vs. 58.4%) when adjusted for age. Among women ≥35 years of age, there was a statistically significant difference in the number of patients with supernumerary good-quality blastocyst cryopreservation between groups with AMH <1 ng/mL and AMH 1-4 ng/mL (16.1% vs. 42.6%), when adjusted for age. CONCLUSION(S): Low AMH levels are associated with a statistically significantly lower likelihood of blastocysts for cryopreservation as compared with higher AMH levels. This effect was seen among women both <35 and ≥35 years of age. Patient counseling should include realistic expectations for the probability of good-quality supernumerary blastocysts available for cryopreservation.
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